Btrfs: Retry metadata reads in the face of checksum failures

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e1ef1acdb350..8c2d5d036bd6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -314,7 +314,7 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
         map_tree = &root->fs_info->mapping_tree;
         map_length = length;
         ret = btrfs_map_block(map_tree, READ, logical,
-                              &map_length, NULL);
+                              &map_length, NULL, 0);
 
         if (map_length < length + size) {
                 return 1;
@@ -322,7 +322,8 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
         return 0;
 }
 
-int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio)
+int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
+                          int mirror_num)
 {
         struct btrfs_root *root = BTRFS_I(inode)->root;
         struct btrfs_trans_handle *trans;
@@ -347,7 +348,7 @@ int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio)
         BUG_ON(ret);
         mutex_unlock(&root->fs_info->fs_mutex);
 mapit:
-        return btrfs_map_bio(root, rw, bio);
+        return btrfs_map_bio(root, rw, bio, mirror_num);
 }
 
 int btrfs_readpage_io_hook(struct page *page, u64 start, u64 end)